The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 27, 2017

Filed:

Mar. 07, 2015
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Shigehiro Miura, Aichi, JP;

Kei Miura, Mie, JP;

Kiyoshi Gotou, Hyogo, JP;

Takeo Suzuki, Hyogo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/03 (2006.01);
U.S. Cl.
CPC ...
H05B 37/034 (2013.01);
Abstract

A dimming device includes: a communication unit to receive a control signal for controlling a lighting state of an illumination load; a dimming circuit to dim the illumination load; a dimming circuit driving unit to control the dimming circuit to change a dimming level of the illumination load in response to the control signal; a relay connected between the illumination load and the dimming circuit; a relay driving unit to control on/off of the relay according to the control signal; a measurement unit configured to measure a load state of the illumination load and a control unit to cause the notification unit to notify the overload state, when it is determined by the measurement unit that the illumination load is in the overload state.


Find Patent Forward Citations

Loading…